GCMS analysis results for sample AE04509, Apr 2002

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Data File : C:\MSDCHEM\l\DATA\032602\4509.D Vial: 54 . Acq On : 27 Mar 2002 5:34 pm Operator: McLean Sample : SAMPLE 4509 3/2/02 Inst Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\MSDCHEM\l\5973N\5080302.M (RTE Integrator) Title : Quantitation For Method 508gcscan Library : C:\DATABASE\WILEY7N. L ********************************************************************* Peak Number 1 Silane, tetramethyl- (CAS) ... Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T.

5.58 1.42 ug/L 408760 1,4-Dichlorobenzene-d4 9.55

Hit# of 5 Tentative ID MW MolForm CAS# Qual --- --------------------- -------------------------- 1 Silane, tetramethyl- (CAS) $$ Te... 88 C4H12Si 000075-76-3 43 2 3-Pentanol, 3-methyl- 102 C6H140 000077-74-7 33 3 2-Hydroxy-2-methylbutanoic acid 118 C5H10O3 000000-00-0 28 4 Silane, tetramethyl- $$ Tetramet. . . 88 C4H12Si 000075-76-3 25 Abundance / Scan 425 (5.576 min): 4509.D (-) m/z 73.20 100.00% / 73

5000 43

' 1 11 1 1 11 1 TTunmmnffrr 5.20 5.40 5.60 5.80 6.00 01 ■ r i ' ' ■ 1 i ' ' ' r i ' 11149159, — 1 1 ' 1 '1' 1 1 ' I 1 1 87 103 l ■ . I ■ ■ ■'r I ■ . ■ ■ l >• l > m/z 43.10 40.65% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #4813: Silane, tetramethyl- (CAS) $$ Tetramethylsilane $$ ... 73

5000 +1—**** TT TTMT | 5.20 5.40 5.60 5.80 6.00 j m/z 45.10 13.67%I 45 1E ■ 29 m/z-> 0 -1F--39 10 53 59 66 ''I Tr‘t‘ ■ ' ■ ■ 20 50 60 30 70 4— 40 80 88 ! 90 100 110 Abundance #9663: 3-Pentanol, 3-methyl- 73 ,4 -444A.MAal , 4h , 5.20 5.40 5.60 5.80 6.00 | 5000 m/z 41.20 12.69%

55 27 45 87 0 15 i'"'r 11391 -7 1 ' 1 1 I ' ' 1 ' i ■ ■ ' i ■ th । ।।. m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #17693: 2-Hydroxy-2-methy!butanoic acid 73 M M AA A JAA r Mm! 5.20 5.40 5.60 5.80 6.00 1 m/z 71.20 6.35%

5000 43 55

29 89 0 1 i 1 r ' i ' —37l 4,— -61 — 1 82 ■ i ■ | 103 ' I ' ' ■ ■ I 1 ■ 1 ■ j > | ........................................................................................... 1

m/z-> 10 20 30 40 50 60 70 80 90 100 110 j 5.20 5.40 5.60 5.80 6.00 |

1509.D 5080302.M Thu Mar 28 05:59:22 2002 Page 3

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